CVE-2026-98468Low· 2.5▾ SunlitA flaw was found in the Linux kernel's KVM (Kernel-based Virtual Machine) subsystem for ARM64. This flaw may allow a local user to cause a Denial of Service (DoS) or kernel instability. A race condition occurs when virtual machine stage 2 …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 13.8 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
Last analysed / modified upstream
0.2%
— → 2.5
none → low
0.2% → 0.2%
A flaw was found in the Linux kernel's KVM (Kernel-based Virtual Machine) subsystem for ARM64. This flaw may allow a local user to cause a Denial of Service (DoS) or kernel instability. A race condition occurs when virtual machine stage 2 memory tables are freed concurrently with host memory migration under memory compaction pressure. When this race occurs, the kernel encounters an unexpected return value during memory unmapping, triggering a spurious warning that can crash hosts configured to panic on warnings.
kernel: KVM: arm64: Fix spurious warning for benign stage 2 teardown race — rated Low by Red Hat. Released 2026-10-18, updated 2026-10-20.
Affected:
No fix planned:
Not affected:
Fix deferred
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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